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Lisa Kuttler March 21, 2018 No Comments

GD3 refers to a coated secondary fibre board, insert and back grey
(chromo duplex board), top side wood-free white or slightly wood-containing white, with special volume (< 1.3 cm³/g).

V = hf or slightly hh white
E = grey
R = grey

hf white: wood-free white layer of bleached pulp with a maximum of 5% mechanical pulp

slightly hh white = slightly woody white layer of bleached pulp with a maximum of 30% mechanical pulp

grey = layer of recycled pulp (reused cellulose and groundwood fibres)

GD3 was last modified: April 7th, 2020 by Lisa Kuttler

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